The Hertzsprung-Russel diagram is used to show the relationship between which two characteristics of stars?

2 answers:

7 0

Between the stars' absolute magnitudes<span> or </span>luminosities<span> versus their </span>stellar classifications<span> or </span>effective temperatures<span>. </span>

larisa [96]3 years ago

5 0

<h3><u>Answer;</u></h3>

Luminosity and temperature of a star

<h3><u>Explanation;</u></h3>

<em><u>Hertzsprung-Russel diagram or HR diagram is a scatter plot or a graphical tool that is used by astronomers to classify stars based on their luminosity, color, temperature, spectral type and also the stage of evolution.</u></em>
<em><u>The HR diagram plots the temperature of the stars against the luminosity, or the color of starts against absolute magnitude.</u></em>

The HR diagram is divided into stages, for example those stars at the stable phase of hydrogen burning are found within the main sequence according to their mass.

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<h3><u>Question</u><u>:</u></h3>

A racing car is travelling at 70 m/s and accelerates at -14 m/s^2. What would the car’s speed be after 3 s?

<h3><u>Statement:</u></h3>

A racing car is travelling at 70 m/s and accelerates at -14 m/s^2.

<h3><u>Solution</u><u>:</u></h3>